Appears to be in same backlog as kpit. All marbles in msfs2020 and zero for p3dv5. So when bugs in msfs,all work grinds to halt.
User stopped buying for P3D months ago, we only sell like a few GSX, but sales of sceneries has basically stopped so, we are respecting users whishes voting with their wallets, who are clearly telling us to work mainly on MSFS.
About "bugs" in MSFS, yes, SU5 Update was a catastrophic release, with the PC version completely crippled to make the Xbox version possible, and it came with so many bugs that we couldn't do much until they were fixed ( months later ), KCLT was delayed several months because of this, and this delayed the following products as well.
But SU9 is a different story, it's far more stable, it has many interesting features we are already using for GSX, and we are quite confident SU10 will be even better, since it seems Microsoft have finally realized a new release needs more serious testing, so they'll run the beta for about 3 months, instead of the usual 4/5 weeks.